CN213420246U

CN213420246U - Compressor metal hose

Info

Publication number: CN213420246U
Application number: CN202022128395.7U
Authority: CN
Inventors: 章阿海
Original assignee: Zhejiang Yueding Corrugated Tube Co ltd
Current assignee: Zhejiang Yueding Corrugated Tube Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-11
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a compressor metal hose, which comprises a corrugated pipe structure, a connecting pipe, a loop flange and a sealing ring, the loop flange is sleeved on the connecting pipe, the side wall of the connecting pipe is provided with a threaded joint, the loop flange is correspondingly provided with a through slot hole suitable for the threaded joint to pass through, the loop flange is movably sleeved between the threaded joint and the sealing ring, and by adopting the technical scheme, the loop flange can freely pass through the threaded joint through the through groove hole on the loop flange, when the sealing ring is welded, the looper flange can move a certain distance towards the direction of the threaded joint, so that a welding gun can conveniently penetrate into the position of the sealing ring to carry out welding operation, the structural design of the flange effectively solves the problem that the sealing ring cannot be welded due to the fact that the loop flange is too close to the threaded joint, reduces the welding difficulty, and is convenient for spraying paint, so that the production efficiency is greatly improved.

Description

Compressor metal hose

Technical Field

The utility model relates to a metal collapsible tube technical field, concretely relates to compressor metal collapsible tube.

Background

The rubber hose is adopted at the interface position of the prior compressor, the rubber hose is poor in temperature resistance and easy to age, the service life of the rubber hose cannot meet the requirements of customers under the working environment of frequent vibration and high pressure of the compressor, and therefore the rubber hose is replaced by a metal hose made of metal corrugated pipes.

The existing metal hose mainly comprises a corrugated pipe and a connecting pipe, a flange, clamping sleeves and a net sleeve, wherein the connecting pipe is welded at two ends of the corrugated pipe, a sealing ring is installed at the end part of the connecting pipe, two ends of the net sleeve are welded between the two clamping sleeves and the two connecting pipes, the flange is sleeved on the connecting pipe and is connected with the sealing ring in an offsetting manner, information such as internal pressure and temperature of the metal hose is detected, therefore, a threaded connector can be installed on the connecting pipe, a detection device connected with an external monitoring instrument is arranged on the threaded connector, but in the actual installation and production of the metal hose, the distance between the flange and the threaded connector is designed to be too close, the installation size of the conventional flange is limited, the sealing ring cannot be normally welded, a lot of difficulties are brought to production and processing, and the production efficiency of.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art metal collapsible tube's flange and screwed joint's distance too closely, can't normally carry out welding operation to the sealing ring, brings a lot of difficulties for production and processing, reduces product production efficiency's problem.

For solving the technical problem, the utility model provides a compressor metal hose, construct and connect including bellows structure the takeover at bellows structure both ends, and the cover is established loop flange on the takeover, the end fixing of takeover be provided with the sealing ring that loop flange cooperation links to each other, be provided with on the takeover lateral wall and be close to the screwed joint of sealing ring, the loop flange corresponds screwed joint is provided with and is fit for the logical slot hole that screwed joint passed, the mobilizable cover of loop flange is located screwed joint with between the sealing ring.

Preferably, the lap joint flange includes a central through hole through which the adapter tube passes, and a plurality of mounting holes provided at intervals around the central through hole, and the through hole holes are formed in a notch shape on a circumferential side of the central through hole.

As a preferred scheme, the sealing ring is matched and abutted with the loop flange to shield the through slot hole.

Preferably, one end of the corrugated pipe structure is provided with an elbow connected with the connecting pipe.

As a preferred scheme, the threaded connector is provided with an installation screw hole communicated with the inner cavity of the connecting pipe, and the detection device is installed at the installation screw hole.

As a preferable scheme, at least one layer of stainless steel net sleeve is sleeved on the outer side of the corrugated pipe structure, and two ends of the stainless steel net sleeve are welded at two ends of the corrugated pipe structure through clamping sleeves.

Preferably, the corrugated pipe structure is formed by integrally hydraulic-forming a double-layer stainless steel pipe blank.

Compared with the prior art, the technical scheme of the utility model have the following advantage:

1. the utility model provides an among the compressor metal collapsible tube, through set up the logical slotted hole corresponding with the screwed joint on the lap joint flange, make the lap joint flange can freely pass the screwed joint with the help of logical slotted hole, when the welding sealing ring, can remove the certain distance towards the screwed joint direction with the lap joint flange, reserve sufficient space for the welding of sealing ring stepping down, so that the sealing ring exposes welding position, make things convenient for welder to penetrate the sealing ring position and carry out welding operation, the structural design of this kind of flange, effectively solved the lap joint flange too closely and can't carry out the welded problem to the sealing ring with the screwed joint, the welding degree of difficulty has been reduced, the product that has also made things convenient for sprays paint, thereby production efficiency has been improved greatly.

2. The utility model provides an among the compressor metal collapsible tube, lead to the slotted hole shaping and be in on the circumference side of center through-hole, on the basis of the original structure of lap joint flange, through set up on the side of center through-hole one with the notch structure of screwed joint size assorted, the shaping preparation is comparatively convenient, can supply screwed joint freely to pass through the slotted hole, just so satisfies the lap joint flange and is taking over the installation requirement that can freely remove, no longer receives screwed joint's position restriction, and it is all comparatively convenient to install lap joint flange and welding sealing ring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a compressor metal hose provided by the present invention;

fig. 2 is a schematic plan view of the loop flange of the present invention;

description of reference numerals: 1-corrugated pipe structure, 2-connecting pipe, 3-looping flange, 31-central through hole, 32-mounting hole, 4-sealing ring, 5-threaded joint, 51-mounting screw hole, 6-through slot hole, 7-elbow, 8-stainless steel net sleeve and 9-clamping sleeve.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

The embodiment provides a compressor metal hose as shown in fig. 1-2, which includes a bellows structure 1 and a connecting pipe 2 connected to both ends of the bellows structure 1, and a loop flange 3 sleeved on the connecting pipe 2, wherein the end of the connecting pipe 2 is fixedly provided with a sealing ring 4 connected with the loop flange 3 in a matching manner, i.e. the sealing ring is welded at the end of the connecting pipe, a threaded joint 5 close to the sealing ring 4 is arranged on the side wall of the connecting pipe 2, the loop flange 3 corresponds to the threaded joint and is provided with a through slot 6 suitable for the threaded joint 5 to pass through, and the loop flange 3 is movably sleeved between the threaded joint 5 and the sealing ring 4.

Above-mentioned embodiment is the core technical scheme of this embodiment, looper flange 3 can freely pass through the logical slot hole that sets up on it screwed joint 5, is welding during sealing ring 4, can move certain distance with looper flange 3 towards the screwed joint direction, give way for the welding of sealing ring and reserve sufficient space to make the sealing ring expose welding position, make things convenient for welder to penetrate sealing ring 4 place carries out welding operation, and the structural design of this kind of flange has effectively solved looper flange 3 is too close and can't be right with screwed joint 5 sealing ring 4 carries out welded problem, has reduced the welding degree of difficulty, has also made things convenient for the product to spray paint to production efficiency has been improved greatly.

In a preferred embodiment, the lap-joint flange 3 comprises a central through hole 31 through which the nipple 2 can pass, and a plurality of mounting holes 32 arranged at intervals around the central through-hole 31, the through-hole 6 being formed in a notch shape on a circumferential side of the central through-hole 31, when the sealing ring 4 is matched and abutted against the loop flange 3, the sealing ring shields the through slot hole 6, and the structure is arranged, on the basis of the original structure of the loose flange, the side edge of the central through hole 31 is provided with a notch structure matched with the size of the threaded joint, so the forming and the manufacturing are more convenient, the threaded joint 5 can freely penetrate through the through-slot hole 6, so that the installation requirement that the loop flange 3 can freely move on the connecting pipe 1 is met, the position limitation of the threaded joint is avoided, and the installation of the loop flange and the welding of the sealing ring are both convenient.

As shown in fig. 1, an elbow 7 connected to the connection pipe 2 is disposed at one end of the bellows structure 1, and the installation requirements of the connection pipe 2 and the bellows structure in different directions can be met through the elbow, so as to change the connection direction of the metal hose.

In order to detect the working state information such as pressure, temperature and velocity of flow of metal collapsible tube at the during operation, screwed joint 5 has the intercommunication the installation screw 51 of 2 inner chambers of takeover, install detection device on screwed joint 5, detection device passes through the helicitic texture and is connected to in the installation screw, and simple to operate is swift, also is convenient for change the detection device of different grade type, detection device can be pressure sensor, temperature sensor and velocity of flow sensor to link to each other with outside monitoring instrument, can real time monitoring compressor metal collapsible tube's working state information.

In this embodiment, as shown in fig. 1, the outer side of the bellows structure 1 is sleeved with a double-layer stainless steel mesh sleeve 8, two ends of the stainless steel mesh sleeve 8 are welded to two ends of the bellows structure 1 through clamping sleeves 9, the overall structural strength of the double-layer stainless steel mesh sleeve is high, the pressure-bearing capacity of the metal hose can be enhanced, a better protection effect is achieved on the bellows structure 1, and in the process of welding and fixing the stainless steel mesh sleeve 4, when the two ends of the stainless steel mesh sleeve are tensioned, the stainless steel mesh sleeve can automatically form axial direction stress, so that the overall pressure-bearing capacity of the stainless steel mesh sleeve is effectively increased.

Further preferably, bellows structure 1 is by the integrative hydraulic forming of double-deck stainless steel pipe embryo, it is convenient to make the shaping, the shape phase-match of every layer of metal bellows structure, and have independent leakproofness respectively, thereby increase the thickness of bellows structure, strengthen structural strength, this kind of structure sets up, with the stainless steel bellows shaping after through high temperature annealing treatment, again with taking over the welding, sheathe in stainless steel wire mesh 8 again after the welding is good, sheathe in cutting ferrule 9 welding again at last, this kind of stainless steel bellows shaping after can eliminate shaping stress through high temperature annealing treatment, make the bellows soften and increase bending radius, at last according to pressure add the bearing capacity of one deck or multilayer stainless steel wire mesh reinforcing metal collapsible tube outside again, the life of product has been improved greatly after handling like this.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a compressor metal collapsible tube, includes bellows structure (1) and connects take over (2) at bellows structure (1) both ends to and the cover is established loop flange (3) on taking over (2), the end fixing of taking over (2) be provided with loop flange (3) cooperate continuous sealing ring (4), its characterized in that: the connecting pipe is characterized in that a threaded joint (5) close to the sealing ring (4) is arranged on the side wall of the connecting pipe (2), a through groove hole (6) suitable for the threaded joint (5) to penetrate is formed in the movable sleeve flange (3) corresponding to the threaded joint, and the movable sleeve of the movable sleeve flange (3) is arranged between the threaded joint (5) and the sealing ring (4).

2. The compressor metal hose according to claim 1, wherein: the loop flange (3) comprises a central through hole (31) allowing the connecting pipe (2) to pass through and a plurality of mounting holes (32) arranged around the central through hole (31) at intervals, and the through hole (6) is formed on the circumferential side of the central through hole (31) in a notch shape.

3. A compressor metal hose according to claim 2, wherein: and the sealing ring (4) is matched with the loop flange (3) to abut against the through slot hole (6) in a shielding manner.

4. A compressor metal hose according to claim 3, wherein: and one end of the corrugated pipe structure (1) is provided with an elbow (7) connected with the connecting pipe (2).

5. A compressor metal hose according to any one of claims 1 to 4, wherein: the threaded connector (5) is provided with an installation screw hole (51) communicated with the inner cavity of the connecting pipe (2), and the threaded connector (5) is provided with a detection device.

6. The compressor metal hose according to claim 5, wherein: the outer side of the corrugated pipe structure (1) is sleeved with at least one layer of stainless steel mesh sleeve (8), and two ends of the stainless steel mesh sleeve (8) are welded at two ends of the corrugated pipe structure (1) through clamping sleeves (9).

7. The compressor metal hose according to claim 6, wherein: the corrugated pipe structure (1) is formed by integrally hydraulic forming a double-layer stainless steel pipe blank.